From 81cd0e6e042f65656969c8a36cf64eb421b016c3 Mon Sep 17 00:00:00 2001
From: Kirk Mayo <kirk@silverstripe.com>
Date: Thu, 24 Jan 2013 08:38:19 +1300
Subject: [PATCH] BUG: Replaced extendedSQL with DataList as per ticket 8183

---
 code/model/SiteTreeFolderExtension.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/code/model/SiteTreeFolderExtension.php b/code/model/SiteTreeFolderExtension.php
index db4419d4..66a99e4a 100644
--- a/code/model/SiteTreeFolderExtension.php
+++ b/code/model/SiteTreeFolderExtension.php
@@ -19,14 +19,14 @@ class SiteTreeFolderExtension extends DataExtension {
 		}
 
 		foreach($classes as $className) {
-			$query = singleton($className)->extendedSQL();
+			$query = new DataQuery($className);
 			$ids = $query->execute()->column();
 			if(!count($ids)) continue;
 			
 			foreach(singleton($className)->has_one() as $relName => $joinClass) {
 				if($joinClass == 'Image' || $joinClass == 'File') {
 					$fieldName = $relName .'ID';
-					$query = singleton($className)->extendedSQL("$fieldName > 0");
+					$query = DataList::create($className)->where("$fieldName > 0");
 					$query->distinct = true;
 					$query->select(array($fieldName));
 					$usedFiles = array_merge($usedFiles, $query->execute()->column());